<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>


<script>

    for(var i=1;i<=9;i++){
        for(var j=1;j<=i;j++){
            document.write(i+'x'+j+'='+(i*j));
            document.write("&ensp;")
        }
       document.write('<br>');
    }

</script>

</body>
</html>